2024 JUPEB Chemistry Practical Questions and Answers

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This is to inform all students preparing for the 2024 Joint Universities Preliminary Examinations Board (JUPEB) exams and school administrators that the JUPEB Chemistry Practical Questions and Answers for 2024 are now available.

JUPEB 2024 Chemistry Practical Questions and Answers

JUPEB 2024 CHEMISTRY PRACTICAL QUESTIONS AND ANSWERS.

Get 2024 JUPEB Chemistry Practical Questions and Answers Free of Charge | JUPEB Free Chemistry Practical Questions and Answers EXPO Room.

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2024 JUPEB Chemistry Practical Questions and Answers.

JUPEB CHEM EXAM:

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• 2024 JUPEB English Language Exam Questions and Answers Now Available

JUPEB 2024 Chemistry Practical Questions and Answers

JUPEB 2024 Chemistry Practical Questions and Answers

Question 1: You are provided with solutions labeled A, B, and C. Carry out the following tests and record your observations and inferences.

1. Test on Solution A:
   • Add a few drops of dilute hydrochloric acid (HCl) to solution A.
   • Observation: Bubbles of gas are produced.
   • Inference: The gas evolved is carbon dioxide, indicating the presence of a carbonate (CO₃²⁻) in solution A.
2. Test on Solution B:
   • Add a few drops of barium chloride (BaCl₂) to solution B.
   • Observation: A white precipitate forms.
   • Inference: The presence of sulfate ions (SO₄²⁻) is indicated by the formation of barium sulfate (BaSO₄) as the white precipitate.
3. Test on Solution C:
   • Add a few drops of silver nitrate (AgNO₃) to solution C.
   • Observation: A white precipitate forms that is soluble in ammonia.
   • Inference: The formation of the white precipitate soluble in ammonia confirms the presence of chloride ions (Cl⁻) in solution C.

Question 2: You are provided with an organic compound D. Carry out the following tests to identify the functional group present in D.

1. Test 1:
   • Add a few drops of 2,4-dinitrophenylhydrazine (2,4-DNPH) to compound D.
   • Observation: An orange precipitate forms.
   • Inference: The orange precipitate indicates the presence of a carbonyl group (C=O), suggesting that D is either an aldehyde or a ketone.
2. Test 2:
   • Warm compound D with Fehling’s solution.
   • Observation: A brick-red precipitate forms.
   • Inference: The formation of a brick-red precipitate confirms that D is an aldehyde.

DISCLAIMER:

No Mock Examination for 2024 Candidates

Recent reports suggesting that the Joint Universities Preliminary Examination Board (JUPEB) will conduct a mock examination following the postponement of the 2024 test are false.

Postponement Notice:

The JUPEB examination, originally scheduled from August 5 to August 16, 2024, has been rescheduled due to security concerns related to the #EndBadGovernance protest. The new dates for the examination are Monday, August 19, to Friday, August 30, 2024.

Important Announcements from JUPEB:

1. Authorized Advertising:
   • Only approved JUPEB universities are authorized to advertise JUPEB programs on their official university websites.
2. Candidate Registration:
   • Only approved JUPEB University Foundation schools are permitted to register candidates for JUPEB examinations.
3. Avoid Fake Platforms:
   • JUPEB has no affiliation with any fake or illegal websites/platforms. Candidates are strongly advised not to patronize them.
4. Legal Action:
   • Illegal JUPEB websites/platforms will be subject to legal action, including lawsuits and prosecution.
5. Candidate Responsibility:
   • Candidates who engage with fake/illegal websites/platforms do so at their own risk. JUPEB Management will not be responsible for any losses incurred.

For a complete list of approved JUPEB University Centres, please refer to the Partner Universities or Affiliate Universities links.

Signed: JUPEB Management

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